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Regulatory Capital (Tables) | 6 Months Ended
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Jun. 30, 2019
Banking and Thrift [Abstract] |
Schedule of compliance with regulatory capital requirements under banking regulations | The Bank’s required and actual regulatory capital amounts and ratios under U.S. Basel III are shown in the following table.
|  | Actual |  | U.S. Basel III Regulatory Requirements(1)
|  | Amount | Ratio |  | Amount |  | Ratio
As of June 30, 2019: |  |  |  |  |  |  |
Common Equity Tier 1 Capital (to Risk-Weighted Assets) |  | $ | 3,008,318 |  | 11.9 | % |  | $ | 1,765,971 |  | > | 7.0 | %
Tier 1 Capital (to Risk-Weighted Assets) |  | $ | 3,008,318 |  | 11.9 | % |  | $ | 2,144,394 |  | > | 8.5 | %
Total Capital (to Risk-Weighted Assets) |  | $ | 3,324,527 |  | 13.2 | % |  | $ | 2,648,957 |  | > | 10.5 | %
Tier 1 Capital (to Average Assets) |  | $ | 3,008,318 |  | 10.6 | % | (2) | $ | 1,133,551 |  | > | 4.0 | %
As of December 31, 2018: |  |  |  |  |  |  |
Common Equity Tier 1 Capital (to Risk-Weighted Assets) |  | $ | 2,896,091 |  | 12.1 | % |  | $ | 1,528,209 |  | > | 6.375 | %
Tier 1 Capital (to Risk-Weighted Assets) |  | $ | 2,896,091 |  | 12.1 | % |  | $ | 1,887,787 |  | > | 7.875 | %
Total Capital (to Risk-Weighted Assets) |  | $ | 3,196,279 |  | 13.3 | % |  | $ | 2,367,226 |  | > | 9.875 | %
Tier 1 Capital (to Average Assets) |  | $ | 2,896,091 |  | 11.1 | % |  | $ | 1,039,226 |  | > | 4.0 | %
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(1) | Required risk-based capital ratios include the capital conservation buffer.
(2) The Bank’s Tier 1 leverage ratio exceeds the 5 percent well-capitalized standard for the Tier 1 leverage ratio under the prompt corrective action framework.

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- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1G -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958577-112826 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=117337116&loc=d3e65071-112826 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826 + Details
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